Phyllome leverages 3D acceleration within guest operating systems extensively, in three different modes depending on the situation.
vfio-pci drivervfio-mdev drivervfio-gpu driver, which creates a virtual GPU as is used in Chromium OS and Spectrum OS| Description | vfio-pci |
vfio-mdev |
vfio-gpu |
|---|---|---|---|
| Performance | Near-native performance and full features set | Near-native performance and full features set | Degraded performance and limited features set |
| Guests support | UNIX and non-UNIX guests | UNIX and non-UNIX guests | Works only on selected UNIX guests |
| Driver | No special driver in the guest | No special driver in the guest | Requires a special driver in the guest |
| Number of host GPUs | Two GPUs in most situations | A single GPU | A single GPU |
| GPU support | Mostly GPU agnostic | Recent Intel integrated GPUs and some professional grade Nvidia GPUs | Mostly GPU agnostic |